Re: How to handle null elements inside an array

2015-04-02 Thread Dejian Zhao
I think you should study your data first. For example, how are those fields separated? Usually fields are tab-delimited. If this is true with your data, you can split lines with split(/\t/,$line), then the fields will be correctly separated. On 4/2/15 10:43 AM, Anirban Adhikary wrote: Hi List

Re: @{$var1{$var2}}

2011-07-06 Thread Dejian Zhao
I prefer to decode this kind of code from outside to inside. 1. The sigil @ indicates the result is an array 2. Thus, $var1{$var2} should be an array reference 3. The structure of $var1{$var2} suggests var1 means a hash, or %var1 4. Thus, $var2 is a key of the hash %var1 So, %var1 is a hash of a